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b. The "I" mark on the Flat Pack - IC indicates pin 1
(See Fig. S-1-6). Make sure this mark matches the
1 on the CBA when positioning for installation.
Then pre - solder the four corners of the Flat Pack-
IC (See Fig. S-1-7).
c. Solder all pins of the Flat Pack - IC. Make sure that
none of the pins have solder bridges.
CBA
Masking
Tape
Tweezers
Flat Pack-IC
Fig. S-1-1
Hot-air
Flat Pack-IC
Desoldering
Machine
Flat Pack-IC
Fig. S-1-2
Desoldering Braid
Soldering Iron
Fig. S-1-3
Fine Tip
Soldering Iron
To Solid
Mounting Point
Example :
Pin 1 of the Flat Pack-IC
is indicated by a "
1-4-2
Sharp
Pin
Fig. S-1-4
Hot Air Blower
or
Iron Wire
Soldering Iron
Fig. S-1-5
" mark.
Fig. S-1-6
TD705NOTE
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